OpenTechnical

OT-2026-000057344

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057344) never changes.

Identity and time

Publication numberOT-2026-000057344 · never reused
Internal UUID01a0ae87-d5bd-7a17-aa26-aae815fe346c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057344
StatusPUBLIC

Content hashes

Canonical textf12313f6e1e80a4947a1f590e661a9b0c1f18e3ff63d993fa9fdb33f9b687b3b
Markdown3707aee09269cf8e321cf6c2138493926bf9567423ba2c9bc3e26137d27d3a94
PDF
Publication pagef753b90793e12700d9eb36de4c1ff36a62d3600433f09ec8ff946cffeec72912
Manifest6d51635e5f24540100c220f7fd057f1c834c19dcf82d05a4a9bb3eefbf4886f1

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureKiROrjhyWgl12AXnyr21fXhJhX7gs6vU90lyYgGPMEBkQKenGYCjsnsCysQ65ilQ7yVeScwoXrh88pIkOBtdCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:28.111301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057344
observed f753b90793e12700d9eb36de4c1ff36a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.094651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057344/manifest.json
observed 6d51635e5f24540100c220f7fd057f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.074943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057344/publication.md
observed 3707aee09269cf8e321cf6c213849392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.055468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057344/publication.txt
observed f12313f6e1e80a4947a1f590e661a9b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:37.308366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057344
observed f753b90793e12700d9eb36de4c1ff36a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:37.288744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057344/manifest.json
observed 6d51635e5f24540100c220f7fd057f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:37.270105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057344/publication.md
observed 3707aee09269cf8e321cf6c213849392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:37.251531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057344/publication.txt
observed f12313f6e1e80a4947a1f590e661a9b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.